Reland "Wifi apex: set min_sdk_version to 30"

This reverts commit e1f118822c9e6e402d62514f41340e6cade7a635.

Reason for revert: Relanding once b/173120275 is resolved.

Bug: 173120275
Bug: 171096530
Change-Id: I4c24373da7e889c22258161e3d21fe40f93ebca6
Test: compiles
1 file changed